Prayath Nantasin. 2004. Petrography and geochemistry of intrusive rocks at Ban Pho-Sawan area, Amphoe Bung Samphan, Changwat Phetchabun. Field of Study Geology, Chulalongkorn University;
Prayath Nantasin. (2004) Petrography and geochemistry of intrusive rocks at Ban Pho-Sawan area, Amphoe Bung Samphan, Changwat Phetchabun . Chulalongkorn University/Bangkok.
Prayath Nantasin. Petrography and geochemistry of intrusive rocks at Ban Pho-Sawan area, Amphoe Bung Samphan, Changwat Phetchabun. . Bangkok:Chulalongkorn University, 2004.
Prayath Nantasin. (2004) Petrography and geochemistry of intrusive rocks at Ban Pho-Sawan area, Amphoe Bung Samphan, Changwat Phetchabun . Chulalongkorn University/Bangkok.